If the question means: "can new concrete or mortar be put on top of old concrete", for example to restore a reinforced concrete structure, the answer is NO. You will have to use proprietary non...
Cement is a homogenous mixture
Cement is used as a binding material
Cement is a fine particle.
Cement is hardened by adding appropriate quatity of water.
Portland Cement is classified as "hydraulic" cement because it cures or solidifies due to its chemical exchange with water, stemming from the building material's ability capability to set under...